Part of door phone



1. Part of door phone

1,1 : Left Perspective

1.2 : Front

1.3 : Back

1.4 : Second Left Perspective

1.5 : Right

1.6 : Top

The broken lines, and regions surrounded on all sides by broken lines, depict portions of the part of door phone that form no part of the claimed design. 

CLAIM The ornamental design for a part of door phone, as shown and described. 